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Individual Calculations August 2021 |
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| Allen, Zachary J Total change: -41.60 | |   |
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| 49th Annual World Open - Open | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2109 | 2074 | 1.50 | 5 | -0.82 | 40 | -32.80 | |
|  Ghaemmaghami, Ehsan | g | | 2474 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Ho, Cooper | | | 1739 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Graif, William | | | 2250 | CAN | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Kumar, Naman | | | 2141 | USA | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Hardaway, Brewington | c | | 1941 | USA | 0.00 | 1 | -0.68 | 40 | -27.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 22nd Annual Pittsburgh Open - Major | Pittsburgh, Pennsylvania | USA | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2126 | 2074 | 1.50 | 4 | -0.22 | 40 | -8.80 | |
| | Yang, Qindong | | | 2110 | CHN | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Wang, Jason | f | | 2324 | USA | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Itkin, David | | | 2262 | CAN | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Hu, Alexander C | | | 1808 | USA | 0.50 | 1 | -0.32 | 40 | -12.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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